CN104452518A - Earth shoulder blind ditch system for pavement edge centralized drainage - Google Patents
Earth shoulder blind ditch system for pavement edge centralized drainage Download PDFInfo
- Publication number
- CN104452518A CN104452518A CN201410731240.9A CN201410731240A CN104452518A CN 104452518 A CN104452518 A CN 104452518A CN 201410731240 A CN201410731240 A CN 201410731240A CN 104452518 A CN104452518 A CN 104452518A
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- Prior art keywords
- road surface
- cement concrete
- earth shoulder
- semi
- drainage
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention relates to an earth shoulder blind ditch system for pavement edge centralized drainage. The defects such as water deposited on the pavement, sand barrier, snow barrier, inconvenience in sweeping, conflict with the guardrail position, small capacity, small longitudinal spacing of a draining tank, unsuitableness for small longitudinal slopes and zero longitudinal slope and poor anti-frost property exist in the pavement edge centralized drainage measures. According to the system disclosed by the invention, a cement concrete base is arranged on the roadbed top surface of the pavement edge along the longitudinal direction of the road; the cross section of the cement concrete base is U-shaped; a longitudinal groove is reserved in the groove bottom; a semi-transparent non-sand pipe is arranged at the groove bottom; a permeable pipe wall is arranged on the upper half part; an impermeable pipe wall is arranged on the lower half part; the upper part of the semi-transparent non-sand pipe is filled with graded broken stones to be surface of the roadbed slope. According to the system disclosed by the invention, the water on the pavement can be allowed to flow over to pavement and earth shoulder so as to permeate into the graded broken stone layer and further enters the semi-transparent non-sand pipe to flow along the longitudinal direction of the road so as to be discharged along with the draining tank, the water deposition and sand and snow barrier are avoided, the longitudinal slope adjustment capacity is high, the system can adapt to a small longitudinal slope or zero longitudinal slope road section, and frequent cutting of the side-slope protection project is avoided.
Description
Technical field
the invention belongs to highway drainage field of engineering technology, be specifically related to the earth shoulder blind-drainage system of a kind of road surface edge central drainage.
Background technology
The technology of road surface edge central drainage sets up in the earth shoulder position in shoulder to catchment and water draw-off, plays the effect concentrating discharge after being dammed by the rainwater on road surface.The utilization of this technology effectively can be eliminated rainwater on road surface and wash away harm to fill subgrade side slope, decreases the pressure of side slope of embankment protection, effectively can reduce the quantity of masonry of side slope protection engineering, save construction investment.
At present, domestic highway at different levels all comparatively widely uses this technology.Main solution has two kinds: 1. establish convex type to block water-band at pavement edge, the road surface water laterally remitted is in road longitudinal grade and the effect downward outside road surface trickling of blocking water-band, and (about 18 ~ 28m) establishes one drain tank that road surface water is prolonged side slope to enter in trackside gutter at spacing intervals.2. establish the catch basin of the forms such as shallow butterfly, rectangle at pavement edge, (capacity according to ditch) establishes one drain tank to be discharged by road surface water equally at spacing intervals.Above two class schemes all respectively have shortcoming, and convex type blocks that water-band scheme exists that surface gathered water, resistance are husky, resistance snow, unfavorable road cleaning, frost resistance are poor, drain tank longitudinal pitch is little, be not suitable for the shortcoming such as little longitudinal gradient and zero longitudinal gradient section; The existence of Road Edge catch basin scheme conflicts with roadside barrier stud, capacity is little, drain tank longitudinal pitch is little, frost resistance is poor, inharmonious, cracky, uneasy congruent shortcoming, some schemes are in order to capacity increasing thus extend drain tank spacing, even to change premised on roadbed top width.
Summary of the invention
The object of this invention is to provide the earth shoulder blind-drainage system of a kind of road surface edge central drainage, effectively solve problems of the prior art.
The technical solution adopted in the present invention is:
The earth shoulder blind-drainage system of road surface edge central drainage, is characterized in that:
On the roadbed end face of road surface edge, outside guardrail, along road, longitudinally one cement concrete pedestal is set;
Cement concrete pedestal is the flute profile pedestal of U-shaped profile, is reserved with longitudinal groove at the bottom of base seat groove, is mounted with semi-transparency type without sandpipe in groove;
Semi-transparency type is permeable tube wall without sandpipe the first half, and the latter half is waterproof tube wall;
Semi-transparency type is without filling graded broken stone above sandpipe to roadbed side slope surface.
Cement concrete base bottom surface is coated with one deck cement mortar.
Cell wall inside cement concrete pedestal is vertically arranged; The inwall of outside cell wall is perpendicular to roadbed side slope surface, and outer wall is vertical;
The top of the cell wall outside cement concrete pedestal, for blocking water projection, exceeds roadbed side slope surface.
Earth shoulder top sclerosis above cement concrete pedestal graded broken stone.
Cell wall top inside cement concrete pedestal is reserved with PVC sluicing pore, is communicated with the three-dimensional water discharge net laid in road surface structare layer.
Roadbed side slope is arranged at intervals with vertical connection in semi-transparency type without sandpipe, along side slope of embankment and under drain tank.
Cement concrete pedestal and semi-transparency type are without the equal prefabricate of sandpipe.
Curb ridging is filled in other regions of earth shoulder, uses cohesive soil backfill.
The present invention has the following advantages:
1. the shortcomings such as surface gathered water, resistance sand, resistance snow and unfavorable road cleaning can not be caused;
2. do not clash with roadside barrier stud;
3. structure composition is simple firmly, not fragile, can security function stability and long-lasting;
4. stealthy effective, do not affect roadbed outline, travel safety and landscape effect excellence;
5. good heat preservation performance, winter, freezing tolerance was strong;
6. self longitudinal gradient regulating power is strong, can adapt to little longitudinal gradient or zero longitudinal gradient section;
7. capacity is large, and the general about 120m of drain tank spacing, avoids the frequent cutting to side slope preventive works.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention.
Fig. 2 is cement concrete base construction figure.
Fig. 3 is cement concrete pedestal arrangement of reinforcement.
Fig. 4 is that semi-transparency type is without sandpipe structure chart.
In figure, 1-graded broken stone, 2-semi-transparency type is without sandpipe, 3-cement concrete pedestal, 4-cement mortar, 5-roadbed end face, 6-curb is earthed up, and harden in 7-earth shoulder top, 8-roadside barrier, 9-road surfaces, 10-earth shoulder scope, 11-road structure layer thickness, 12-side slope protection, 13-three-dimensional water discharge net, 14-PVC tapping pipe, 15-block water projection, 16-permeable district, 17-impervious zone.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention will be described in detail.
The earth shoulder blind-drainage system of a kind of road surface edge central drainage that the present invention relates to, on the roadbed end face 5 of road surface edge, outside guardrail 8, along road, longitudinally one cement concrete pedestal 3 is set, adopt C25 cement concrete prefabricated and arrangement of reinforcement, consider by single section long 50cm prefabricated from convenient in carrying.Cement concrete pedestal 3 coated on bottom side is wiped with one deck cement mortar 4, uses M10 cement mortar to play fixed pedestal and adjusts the effect of longitudinal gradient.Cement concrete pedestal 3 is the flute profile pedestal of U-shaped profile, is reserved with longitudinal groove at the bottom of base seat groove, is mounted with semi-transparency type without sandpipe 2 in groove.Semi-transparency type is permeable tube wall without sandpipe 2 the first half, and the latter half is waterproof tube wall.Semi-transparency type is without filling graded broken stone 1 to roadbed side slope surface above sandpipe 2.Cement concrete pedestal 3 and semi-transparency type are without sandpipe 2 all prefabricates.Cement concrete pedestal 3 pairs of semi-transparency types of U-shaped play the effect of support without sandpipe 2, and play intercept water, the function of longitudinal gradient at the bottom of charge for remittance and adjustable pipe.
Cell wall inside cement concrete pedestal 3 is higher than the cell wall in outside.The cell wall of inner side is vertically arranged; The inwall of outside cell wall is perpendicular to roadbed side slope surface, and outer wall is vertical.The top of the cell wall outside cement concrete pedestal 3, for blocking water projection 15, exceeds roadbed side slope surface 8cm.
Earth shoulder top sclerosis 7 is provided with above the graded broken stone 1 of cement concrete pedestal 3.Cell wall top inside cement concrete pedestal 3 is reserved with PVC tapping pipe 14 hole of 2m spacing, is communicated with (or using waterproof geotextiles to coordinate gravel, rubble, pervious concrete etc. to realize identical function) with the three-dimensional water discharge net 13 laid in road surface structare layer.
Roadbed side slope longitudinally at interval of a determining deviation (about 120m) arrange one vertical connection in semi-transparency type without sandpipe 2, along side slope of embankment under drain tank.
The french drain graded broken stone layer being positioned at earth shoulder is infiltrated after road surface water covers road surface and earth shoulder under the effect of crown slope, and then import semi-transparency type without sandpipe 2 along road longitudinally trickling, (about 120m) establishes one drain tank and semi-transparency type to be discharged by road surface water along connecing without sandpipe 2 on roadbed side slope at spacing intervals.
Work progress is as follows:
After embankment to roadbed end face 5, determine the position of cement concrete pedestal 3, the roadbed end face 5 of correspondence position is smeared the thick cement mortar of 5cm 4, prefabricated cement concrete pedestal 3 is fixed on cement mortar 4 screed surface and the connection of longitudinal block-by-block.After the health of cement concrete pedestal 3 seam terminates, in the groove that cement concrete pedestal 3 is reserved, settle semi-transparency type without sandpipe 2 and dock, permeable tube wall is upper, waterproof tube wall under, semi-transparency type fills graded broken stone 1 to roadbed side slope surface without sandpipe 2 top, and the curb ridging in other regions of earth shoulder uses cohesive soil backfill.
From above work progress:
1. road surface water situation about not stopping by any protrusion dirty go out road surface scope, the problems such as ponding, resistance are husky, resistance snow, not easy cleaning would not be there is like this; 2. french drain is positioned at below the outer side slope of earth shoulder, naturally avoids, with roadside barrier basis, occurs conflicting on position; 3. this system architecture simply and all achieve prefabricated, can modular construction, and efficiency is high; 4. after being completed, whole ditch body is embedded in earth shoulder inside, therefore, stealthy effective; 5. french drain is positioned at below earth's surface, and there is graded broken stone layer between outside air temperature and isolate; Good heat insulating is the universals of french drain class formation.Winter, anti-freezing property was better than open drain and convex type blocks water-band; The little longitudinal gradient of ⑥ highway or zero longitudinal gradient section, can carry out longitudinal gradient at the bottom of adjustable pipe by the cement mortar bedding cushion thickness bottom adjusting base or to the shallow cut that roadbed end face carries out 0 ~ 5cm, with minimum longitudinal gradient requirement at the bottom of the pipe ensureing 0.5%.7. for the two-way Four-Lane Road speedway of a design speed 100 kilometers/hour in area, Hangzhou, Zhejiang province, Deposits in Eastern Coastal China province, width of subgrade 23.5m, half-amplitude duration 11.75m, crown slope 2%, storm recurrence period is 5 years, concentration time is 0.217 minute as calculated, storm intensity q=567 liter/second hectare.If catchment area calculates by the link length of 120m and should be 1410 square meters, then rainwater flow Q is 260 cubic meters/hour as calculated, is 0.072 cube/second after unit conversion.Semi-transparency type is pressed 30cm diameter 1% longitudinal gradient without sandpipe and is calculated, and its discharging capacity Qc is 0.0738 cube/second, and Qc > Q meets draining needs.Consider in calculating the discharging capacity only considered without sandpipe, have ignored U-shaped pedestal and also possess certain discharge capacity, therefore, the drainability deposit value of this system is higher.
Maintenance and repairing;
Earth shoulder blind-drainage system after building up will be steady in a long-term during highway operation performance effect.But on long terms, consider that the hole of french drain top layer graded broken stone can be blocked gradually by silt, rubbish etc.Therefore, speed can be polluted according to reality in Mei Tiao road, need excavate, clean every about 2 years, the maintenance work such as backfill to the graded broken stone in the 10cm thickness of top layer.Then carry out keeping in repair and changing according to concrete breaking point without sandpipe.
Content of the present invention is not limited to cited by embodiment, and the conversion of those of ordinary skill in the art by reading manual of the present invention to any equivalence that technical solution of the present invention is taked, is claim of the present invention and contains.
Claims (8)
1. the earth shoulder blind-drainage system of road surface edge central drainage, is characterized in that:
On the roadbed end face (5) of road surface edge, outside guardrail (8), along road, longitudinally one cement concrete pedestal (3) is set;
The flute profile pedestal that cement concrete pedestal (3) is U-shaped profile, is reserved with longitudinal groove at the bottom of base seat groove, be mounted with semi-transparency type without sandpipe (2) in groove;
Semi-transparency type is permeable tube wall without sandpipe (2) the first half, and the latter half is waterproof tube wall;
Semi-transparency type fills graded broken stone (1) to roadbed side slope surface without sandpipe (2) top.
2. the earth shoulder blind-drainage system of road surface according to claim 1 edge central drainage, is characterized in that:
Cement concrete pedestal (3) coated on bottom side is wiped with one deck cement mortar (4).
3. the earth shoulder blind-drainage system of road surface according to claim 2 edge central drainage, is characterized in that:
The cell wall of cement concrete pedestal (3) inner side is vertically arranged; The inwall of outside cell wall is perpendicular to roadbed side slope surface, and outer wall is vertical;
The top of the cell wall in cement concrete pedestal (3) outside, for blocking water projection (15), exceeds roadbed side slope surface.
4. the earth shoulder blind-drainage system of road surface according to claim 3 edge central drainage, is characterized in that:
Earth shoulder top sclerosis (7) of cement concrete pedestal (3) graded broken stone (1) top.
5. the earth shoulder blind-drainage system of road surface according to claim 4 edge central drainage, is characterized in that:
The cell wall top of cement concrete pedestal (3) inner side is reserved with PVC tapping pipe (14) hole, is communicated with the three-dimensional water discharge net (13) laid in road surface structare layer.
6. the earth shoulder blind-drainage system of road surface according to claim 5 edge central drainage, is characterized in that:
Roadbed side slope is arranged at intervals with vertical connection in semi-transparency type without sandpipe (2), along side slope of embankment and under drain tank.
7. the earth shoulder blind-drainage system of road surface according to claim 6 edge central drainage, is characterized in that:
Cement concrete pedestal (3) and semi-transparency type are without sandpipe (2) all prefabricates.
8. the earth shoulder blind-drainage system of road surface according to claim 7 edge central drainage, is characterized in that:
Curb ridging (6) is filled in other regions of earth shoulder, uses cohesive soil backfill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410731240.9A CN104452518B (en) | 2014-12-05 | 2014-12-05 | The earth shoulder blind-drainage system of road surface edge central drainage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410731240.9A CN104452518B (en) | 2014-12-05 | 2014-12-05 | The earth shoulder blind-drainage system of road surface edge central drainage |
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| Publication Number | Publication Date |
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| CN104452518A true CN104452518A (en) | 2015-03-25 |
| CN104452518B CN104452518B (en) | 2017-01-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525551A (en) * | 2015-11-25 | 2016-04-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Reforming method of temporary construction road of wind power electric field and grass planting road surface structure |
| CN110387781A (en) * | 2019-06-04 | 2019-10-29 | 北京中企卓创科技发展有限公司 | A kind of Flying Area in Airport road face " pot cover effect " causes the control method of disaster |
| CN114808596A (en) * | 2022-05-13 | 2022-07-29 | 山东省交通科学研究院 | Double-layer drainage travel road and laying method thereof |
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| JP2529801B2 (en) * | 1992-03-11 | 1996-09-04 | 佐藤道路株式会社 | Method for manufacturing improved permeable concrete pavement |
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| CN203866663U (en) * | 2014-05-22 | 2014-10-08 | 海南通程建筑工程有限公司 | Porous pavement structure |
| CN204325845U (en) * | 2014-12-05 | 2015-05-13 | 中交第一公路勘察设计研究院有限公司 | The earth shoulder blind-drainage system of a kind of road surface edge central drainage |
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2014
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2529801B2 (en) * | 1992-03-11 | 1996-09-04 | 佐藤道路株式会社 | Method for manufacturing improved permeable concrete pavement |
| SI9800037A (en) * | 1997-02-14 | 1998-08-31 | Metten | Pavement plane with rainwater drainage |
| JP2003253744A (en) * | 2002-03-01 | 2003-09-10 | Shinko Kozai Kk | Side ditch structure of drainage pavement |
| JP2005097858A (en) * | 2003-09-22 | 2005-04-14 | Ito Yogyo Co Ltd | Draining block, and pavement structure using the same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525551A (en) * | 2015-11-25 | 2016-04-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Reforming method of temporary construction road of wind power electric field and grass planting road surface structure |
| CN110387781A (en) * | 2019-06-04 | 2019-10-29 | 北京中企卓创科技发展有限公司 | A kind of Flying Area in Airport road face " pot cover effect " causes the control method of disaster |
| CN114808596A (en) * | 2022-05-13 | 2022-07-29 | 山东省交通科学研究院 | Double-layer drainage travel road and laying method thereof |
| CN114808596B (en) * | 2022-05-13 | 2024-01-23 | 山东省交通科学研究院 | Double-layer drainage travel highway and paving method thereof |
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| CN104452518B (en) | 2017-01-04 |
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